Citadel Advisors’s Clean Harbors CLH Stock Holding History

Citadel Advisors’s Portfolio CLH Stock Details CLH Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$3.33M	Sell	11,600 -3,100	-21%	-$846K	﹤0.01%	5061
2025 Q4	$3.45M	Sell	14,700 -19,200	-57%	-$4.39M	﹤0.01%	4907
2025 Q3	$7.87M	Sell	33,900 -21,300	-39%	-$5.04M	﹤0.01%	3603
2025 Q2	$12.8M	Sell	55,200 -4,600	-8%	-$1.01M	﹤0.01%	2705
2025 Q1	$11.8M	Buy	59,800 +51,000	+580%	+$11.2M	﹤0.01%	2643
2024 Q4	$2.03M	Sell	8,800 -8,400	-49%	-$2.09M	﹤0.01%	5591
2024 Q3	$4.16M	Sell	17,200 -15,600	-48%	-$3.67M	﹤0.01%	4250
2024 Q2	$7.42M	Buy	32,800 +600	+2%	+$126K	﹤0.01%	3198
2024 Q1	$6.48M	Buy	32,200 +26,000	+419%	+$4.67M	﹤0.01%	3560
2023 Q4	$1.08M	Sell	6,200 -7,700	-55%	-$1.26M	﹤0.01%	6511
2023 Q3	$2.33M	Buy	13,900 +5,200	+60%	+$877K	﹤0.01%	4944
2023 Q2	$1.43M	Sell	8,700 -4,400	-34%	-$643K	﹤0.01%	5762
2023 Q1	$1.87M	Sell	13,100 -3,500	-21%	-$456K	﹤0.01%	5530
2022 Q4	$1.89M	Buy	16,600 +8,700	+110%	+$1.02M	﹤0.01%	5589
2022 Q3	$869K	Sell	7,900 -6,000	-43%	-$642K	﹤0.01%	7299
2022 Q2	$1.22M	Sell	13,900 -2,300	-14%	-$222K	﹤0.01%	6563
2022 Q1	$1.81M	Sell	16,200 -3,100	-16%	-$306K	﹤0.01%	6307
2021 Q4	$1.93M	Sell	19,300 -9,300	-33%	-$980K	﹤0.01%	6333
2021 Q3	$2.97M	Buy	28,600 +19,600	+218%	+$1.93M	﹤0.01%	5387
2021 Q2	$838K	Sell	9,000 -1,100	-11%	-$100K	﹤0.01%	8812
2021 Q1	$849K	Sell	10,100 -4,100	-29%	-$345K	﹤0.01%	8507
2020 Q4	$1.08M	Sell	14,200 -800	-5%	-$53.6K	﹤0.01%	6648
2020 Q3	$840K	Buy	15,000 +10,700	+249%	+$634K	﹤0.01%	6350
2020 Q2	$258K	Buy	+4,300	New	+$240K	﹤0.01%	8160
2019 Q3	–	Sell	-3,000	Closed	-$213K	–	9207
2019 Q2	$213K	Sell	3,000 -11,100	-79%	-$773K	﹤0.01%	8105
2019 Q1	$1.01M	Buy	14,100 +8,800	+166%	+$544K	﹤0.01%	5564
2018 Q4	$262K	Sell	5,300 -4,300	-45%	-$268K	﹤0.01%	7486
2018 Q3	$687K	Buy	+9,600	New	+$611K	﹤0.01%	6191
2017 Q2	–	Sell	-3,900	Closed	-$217K	–	7542
2017 Q1	$217K	Buy	+3,900	New	+$216K	﹤0.01%	6381
2016 Q4	–	Sell	-9,400	Closed	-$451K	–	7294
2016 Q3	$451K	Buy	+9,400	New	+$466K	﹤0.01%	5014
2016 Q2	–	Sell	-4,200	Closed	-$207K	–	6862
2016 Q1	$207K	Sell	4,200 -3,200	-43%	-$140K	﹤0.01%	5595
2015 Q4	$308K	Buy	7,400 +1,700	+30%	+$73.9K	﹤0.01%	5173
2015 Q3	$251K	Sell	5,700 -3,200	-36%	-$159K	﹤0.01%	5819
2015 Q2	$478K	Buy	8,900 +7,700	+642%	+$430K	﹤0.01%	5048
2015 Q1	$68K	Sell	1,200 -10,400	-90%	-$539K	﹤0.01%	7164
2014 Q4	$557K	Buy	11,600 +6,100	+111%	+$297K	﹤0.01%	4582
2014 Q3	$297K	Sell	5,500 -2,000	-27%	-$118K	﹤0.01%	5270
2014 Q2	$482K	Sell	7,500 -1,200	-14%	-$71.3K	﹤0.01%	4447
2014 Q1	$477K	Sell	8,700 -12,200	-58%	-$665K	﹤0.01%	4402
2013 Q4	$1.25M	Buy	20,900 +1,800	+9%	+$104K	﹤0.01%	3001
2013 Q3	$1.12M	Buy	19,100 +1,800	+10%	+$100K	﹤0.01%	2986
2013 Q2	$874K	Buy	+17,300	New	+$964K	﹤0.01%	3319

Other funds holding CLH

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

LPC

Lone Pine Capital Greenwich, Connecticut $12.5B AUM 54.4% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

DCP

D1 Capital Partners New York $11.2B AUM 15.78% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $94.8B AUM 24.11% 1-Year Est. Return

Citadel Advisors's CLH Position: Q1 2026 in Review

Citadel Advisors opened a new position in Clean Harbors (CLH) in Q1 2026: 34,822 shares worth $9.98M. The stake represents ﹤0.01% of the portfolio and ranks #3260 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in CLH as recently as Q2 2025.

Citadel Advisors first reported a position in CLH in Q2 2013 and has held it in 43 quarters since. The position peaked at $55.5M in Q2 2025. 623 funds tracked by Wall St. Rank hold CLH as of Q1 2026.

Citadel Advisors held 34,822 shares of Clean Harbors worth $9.98M as of Q1 2026.
Clean Harbors was a new Citadel Advisors position in Q1 2026.
Clean Harbors made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #3260 holding.
Citadel Advisors first reported a position in Clean Harbors in Q2 2013 and has held it in 43 quarters since.
Citadel Advisors's Clean Harbors position peaked at $55.5M in Q2 2025.
623 funds tracked by Wall St. Rank held Clean Harbors as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.